package com.heima.user.service.Impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;
import org.apache.commons.lang3.StringUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Override
    public ResponseResult Login(LoginDto loginDto) {
        log.info("loginDto: {}", loginDto);
        if (StringUtils.isNotBlank(loginDto.getPhone()) && StringUtils.isNotBlank(loginDto.getPassword())) {

            ApUser apUser = this.getOne(Wrappers.<ApUser>lambdaQuery().eq(ApUser::getPhone, loginDto.getPhone()));

            if (apUser == null) {
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
            }

            // 对比密码
            String salt = apUser.getSalt();
            String password = loginDto.getPassword();
            String pwdWithSalt = DigestUtils.md5DigestAsHex((password + salt).getBytes());

            if (!pwdWithSalt.equals(apUser.getPassword())) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }

            String token = AppJwtUtil.getToken(apUser.getId().longValue());
            Map<String, Object> map = new HashMap<>();
            map.put("token", token);
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);

            return ResponseResult.okResult(map);
        } else {
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0L));
            return ResponseResult.okResult(map);
        }
    }
}
